Finding the Fourth Proportional to 325,294.77, 488,058.84 and 145,365.12
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Solution
The fourth proportional to 325,294.77, 488,058.84 and 145,365.12 is: 218,099.82
Step by Step Solution
- Step 1: Write the proportion equation
325,294.77 : 488,058.84 = 145,365.12 : x - Step 2: Convert to fraction form
325,294.77/488,058.84 = 145,365.12/x - Step 3: Cross multiply
325,294.77x = 488,058.84 × 145,365.12 - Step 4: Simplify right side
325,294.77x = 70,946,731,843.66 - Step 5: Solve for x
x = 70,946,731,843.66/325,294.77 - Step 6: Final answer
x = 218,099.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.